Last Modified: 11-29-2007 1.6 A
Service Category: Engine/Hybrid System Section: Emission Control
Model Year: 2008 Model: Sequoia Doc ID: RM0000029LB00AX
Title: 2UZ-FE EMISSION CONTROL: AIR PUMP: REMOVAL (2008 Sequoia)

REMOVAL

1. DISCHARGE FUEL SYSTEM PRESSURE

2UZ-FE FUEL: FUEL SYSTEM: PRECAUTION (2008 Sequoia)

2. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH WIPER / WASHER: FRONT WIPER MOTOR: REMOVAL (2008 Sequoia)+

3. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH WIPER / WASHER: FRONT WIPER MOTOR: REMOVAL (2008 Sequoia)+

4. REMOVE FRONT FENDER TO COWL SIDE SEAL RH WIPER / WASHER: FRONT WIPER MOTOR: REMOVAL (2008 Sequoia)+

5. REMOVE FRONT FENDER TO COWL SIDE SEAL LH WIPER / WASHER: FRONT WIPER MOTOR: REMOVAL (2008 Sequoia)+

6. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY WIPER / WASHER: FRONT WIPER MOTOR: REMOVAL (2008 Sequoia)+

7. REMOVE FRONT WIPER MOTOR AND LINK ASSEMBLY WIPER / WASHER: FRONT WIPER MOTOR: REMOVAL (2008 Sequoia)+

8. REMOVE FRONT COWL TOP OUTER PANEL SUB-ASSEMBLY 2UZ-FE INTAKE / EXHAUST: INTAKE MANIFOLD: REMOVAL (2008 Sequoia)+

9. REMOVE NO. 1 ENGINE UNDER COVER 2UZ-FE LUBRICATION: OIL AND OIL FILTER: REPLACEMENT (2008 Sequoia)+

10. DRAIN ENGINE COOLANT 2UZ-FE COOLING: COOLANT: REPLACEMENT (2008 Sequoia)+

11. REMOVE THROTTLE BODY COVER SUB-ASSEMBLY 2UZ-FE INTAKE / EXHAUST: INTAKE MANIFOLD: REMOVAL (2008 Sequoia)+

12. REMOVE AIR CLEANER HOSE ASSEMBLY 2UZ-FE ENGINE CONTROL: THROTTLE BODY: REMOVAL (2008 Sequoia)+

13. REMOVE VACUUM HOSE ASSEMBLY 2UZ-FE INTAKE / EXHAUST: INTAKE MANIFOLD: REMOVAL (2008 Sequoia)+

14. REMOVE NO. 2 WATER BY-PASS PIPE 2UZ-FE INTAKE / EXHAUST: INTAKE MANIFOLD: REMOVAL (2008 Sequoia)+

15. DISCONNECT FUEL RETURN TUBE 2UZ-FE FUEL: FUEL INJECTOR: REMOVAL (2008 Sequoia)+

16. DISCONNECT FUEL MAIN TUBE 2UZ-FE FUEL: FUEL INJECTOR: REMOVAL (2008 Sequoia)+

17. REMOVE INTAKE MANIFOLD 2UZ-FE INTAKE / EXHAUST: INTAKE MANIFOLD: REMOVAL (2008 Sequoia)+

18. REMOVE WATER BY-PASS PIPE SUB-ASSEMBLY

(a) Disconnect the connector clamp.

(b) Remove the bolt.

(c) Pull out the water by-pass pipe sub-assembly.

(d) Remove the O-ring from the water by-pass pipe sub-assembly.

19. REMOVE NO. 1 AIR INJECTION SYSTEM HOSE

(a) Loosen the 2 clips and remove the No. 1 air injection system hose.

20. REMOVE AIR PUMP ASSEMBLY (for Bank 1)



(a) Disconnect the air pump assembly connector.

(b) Remove the 2 bolts, 2 nuts and air pump assembly.

21. REMOVE AIR PUMP BRACKET

(a) Remove the 3 bolts, 3 collars, 3 insulators and air pump bracket.

22. REMOVE FRONT FENDER LINER RH

(a) Remove the 9 clips and front fender liner RH.

23. REMOVE NO. 2 AIR INJECTION SYSTEM HOSE

(a) Using a clip remover, remove the 2 clips.

(b) Fold back the fender apron seal.

(c) Disconnect the air pump assembly connector.

(d) Disconnect the 2 clamps.

(e) Remove the air injection system hose.

24. REMOVE AIR PUMP ASSEMBLY (for Bank 2)

(a) Remove the bolt, 2 nuts and air pump assembly.

25. REMOVE AIR PUMP INLET

(a) Remove the 2 bolts and air pump inlet.

26. REMOVE NO. 1 AIR INJECTION SYSTEM HOSE

27. REMOVE NO. 1 AIR PUMP BRACKET

(a) Disconnect the clamp.

(b) Remove the 3 air pump insulators and remove the air pump assembly from the No. 1 air pump bracket.